It describes in detail the huge amount of work involved in carefully examining the many layers of tar and earth.

VOA: special.2010.04.07

You said you work for Freedom and Fashion. Could you tell us about it in detail?

你说你在“自由与时尚”工作。能跟我们详细说说吗？

关于自由和时尚 - SpeakingMax英语口语达人

came from the work, the detail, when they were developing.

那来自于他们所开展的细致的工作和深入的研究。

有各种不同的魅力 - SpeakingMax英语口语达人